Boat hull



FIG. 1 is a side elevational view of a boat hull showing my new design, the opposite side elevational view being a mirror image of that shown;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a boat hull, as shown and described. 